公开(公告)号：WO2004113470A1

公开(公告)日：2004-12-29

申请号：PCT/SE2004/000300

申请日：2004-03-04

Applicant: ECSIBEO AB ,  KOMITOV, Lachezar ,  HELGEE, Bertil

Inventor： KOMITOV, Lachezar ,  HELGEE, Bertil

IPC: C09K19/38

CPC classification number: G02F1/133711 ,  C09K19/02 ,  C09K19/56 ,  G02F1/134363 ,  G02F1/1393 ,  G02F2001/133738 ,  G02F2001/133742 ,  G02F2001/133769 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1036

Abstract: The invention relates to a polymer for use as a surface-director alignment layer in a liquid crystal device, said polymer comprising a polymeric backbone and side-chains attached thereto, wherein the polymeric backbone lacks directly coupled ring structures, and each side-chain of at least some of the side-chains comprises at least two unsubstituted and/or substituted phenyls cou­pled via a coupling selected from the group consisting of a carbon-carbon single bond (-), a carbon-carbon double bond containing unit (-CH=CH-), a carbon-carbon triple bond containing unit (-C=-C-), a methylene eter unit (-CH2O-) , an ethylene eter unit (-CH2CH2O-), an ester unit (-COO-) and an azo unit (-N=N-), exhibits a permanent and/or induced dipole moment that in ordered phase pro­vides dielectric anisotropy, and is attached to the polymeric backbone via at least two spacing atoms.

Abstract translation: 本发明涉及一种在液晶装置中用作表面 - 导向器取向层的聚合物，所述聚合物包含聚合物主链和与其连接的侧链，其中聚合物主链缺少直接结合的环结构，并且每个侧链 至少一些侧链包含至少两个经由选自碳 - 碳单键（ - ），含碳 - 碳双键的单元（-CH = CH-），含碳 - 碳三键的单元（-C = -C-），亚甲基单元（-CH 2 O-），乙烯单元（-CH 2 CH 2 O-），酯单元（-COO-）和 偶氮单元（-N = N-）表现出永久和/或诱导的偶极矩，其在有序相中提供介电各向异性，并通过至少两个间隔原子连接到聚合物主链上。

公开(公告)号：WO2004114005A1

公开(公告)日：2004-12-29

申请号：PCT/SE2004/000880

申请日：2004-06-07

Applicant: ECSIBEO AB ,  KOMITOV, Lachezar ,  HELGEE, Bertil ,  FELIX, Johan

Inventor： KOMITOV, Lachezar ,  HELGEE, Bertil ,  FELIX, Johan

IPC: G02F1/1337

CPC classification number: G02F1/133711 ,  C09K19/02 ,  C09K19/56 ,  G02F1/134363 ,  G02F1/1393 ,  G02F2001/133738 ,  G02F2001/133742 ,  G02F2001/133769 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1036

Abstract: The invention relates to a liquid crystal device comprising a liquid crystal bulk layer and a surface-director alignment layer comprising side-chains arranged to interact with the bulk layer, wherein the orientation of the bulk layer molecules and the orientation of said side-chains each is directly controllable by an electric field via dielectric coupling, thus resulting in a decreased total time period (rise and decay times) needed to switch and relax the liquid crystal bulk molecules in response to an applied external field. The invention also relates to a method for manufacturing a liquid crystal device and a method of controlling a liquid crystal bulk layer.

Abstract translation: 本发明涉及一种液晶装置，其包括液晶本体层和表面导向器取向层，其包含布置成与本体层相互作用的侧链，其中本体层分子的取向和所述侧链的取向各自 可以通过电介质耦合的电场直接控制，从而导致响应于施加的外部场而切换和松弛液晶体分子所需的总时间周期（上升和衰减时间）减少。 本发明还涉及一种用于制造液晶装置的方法和一种控制液晶本体层的方法。

公开(公告)号：WO2010118755A1

公开(公告)日：2010-10-21

申请号：PCT/EP2009/002724

申请日：2009-04-14

Applicant: KOMITOV, Lachezar ,  HELGEE, Bertil ,  OLSSON, Nils

Inventor： KOMITOV, Lachezar ,  HELGEE, Bertil ,  OLSSON, Nils

IPC: C08G73/12 ,  C08F222/40 ,  C08F226/06 ,  C08F226/10 ,  G02F1/1337

CPC classification number: C08G73/12 ,  C08F222/40 ,  C08F226/10 ,  G02F1/133723 ,  G02F1/133788

Abstract: A polymer for use in a surface-director alignment layer is provided, said polymer being a co-polymer comprising maleimide and/or derivatives thereof and N-vinyllactam and/or derivatives thereof, wherein at least some of said repeating units are functionalized with a pendant side-chain. The polymer of the invention is suitable for use in or as alignment layer material in a liquid crystal device.

Abstract translation: 提供了用于表面 - 导向剂取向层的聚合物，所述聚合物是包含马来酰亚胺和/或其衍生物和N-乙烯基内酰胺和/或其衍生物的共聚物，其中至少一些所述重复单元用 吊坠侧链。 本发明的聚合物适用于液晶装置中或作为取向层材料。

公开(公告)号：WO2013156053A1

公开(公告)日：2013-10-24

申请号：PCT/EP2012/056922

申请日：2012-04-16

Applicant: KOMITOV, Lachezar ,  HELGEE, Bertil ,  OLSSON, Nils

Inventor： KOMITOV, Lachezar ,  HELGEE, Bertil ,  OLSSON, Nils

IPC: G02F1/1337 ,  C08F220/30 ,  C08F220/68 ,  C08F226/10 ,  C08F222/40

CPC classification number: C08F220/30 ,  C08F220/68 ,  C08F222/40 ,  C08F226/10 ,  G02F1/133711 ,  G02F1/133788 ,  G02F2001/133742 ,  G02F2001/133746

Abstract: A polymer compound for use in a surface-director alignment layer is provided, said polymer compound comprising: a polymer backbone comprising repeating units; a first side group attached to at least some of said repeating units and comprising a photo-functiona! moiety comprising at least one benzophenone moiety or derivative thereof; and a second side group attached to at least some of said repeating units; said second side group having a pronounced shape anisotropy capable of inducing vertical alignment of a liquid crystal material. A method of forming a surface-director alignment layer using the polymer compound, and a method of forming a liquid crystal cell using the polymer compound are also provided. By using a benzophenone moiety as the photo-functional moiety in a polymer compound for use in a surface-director alignment layer a desired pre- tilt angle of liquid crystal molecules in a liquid crystal cell can be accurately controlled by photo-irradiation of the polymer.

Abstract translation: 提供了用于表面 - 导向器取向层的聚合物化合物，所述高分子化合物包括：包含重复单元的聚合物主链; 附着到至少一些所述重复单元并且包括光功能的第一侧组。 部分包含至少一个二苯甲酮部分或其衍生物; 和连接至所述重复单元中的至少一些的第二侧基; 所述第二侧组具有能够引起液晶材料垂直取向的显着形状各向异性。 还提供了使用高分子化合物形成表面指向配向层的方法以及使用该高分子化合物形成液晶单元的方法。 通过使用二苯甲酮部分作为用于表面 - 导向器取向层的高分子化合物中的光官能部分，可以通过聚合物的光照射来精确地控制液晶单元中的液晶分子的期望倾斜角 。

公开(公告)号：WO2010118756A1

公开(公告)日：2010-10-21

申请号：PCT/EP2009/002725

申请日：2009-04-14

Applicant: KOMITOV, Lachezar ,  HELGEE, Bertil ,  OLSSON, Nils

Inventor： KOMITOV, Lachezar ,  HELGEE, Bertil ,  OLSSON, Nils

IPC: G02F1/1337

CPC classification number: G02F1/133711 ,  G02F2001/133726 ,  G02F2001/133738 ,  G02F2001/133742 ,  G02F2001/133746 ,  G02F2001/133749

Abstract: The invention relates to a composition for use in a surface-director alignment layer arranged between a confining substrate and a liquid crystal bulk material in a liquid crystal device, said surface-director alignment layer causing liquid crystal molecules comprised in said liquid crystal bulk material to form a desired pre-tilt angle with respect to said surface-director alignment layer in the absence of an applied electric field, said composition being a homogeneous mixture comprising: a first concentration of a first compound causing, when being solely used in said surface-director alignment layer, a first pre-tilt angle Θ 1 different from said desired pre-tilt angle; and a second concentration of a second compound causing, when being solely used in said surface-director alignment layer, a second pre-tilt angle Θ 2 different from said desired pre-tilt angle and from said first pre-tilt angle; whereby said desired pre-tilt angle can be controlled by controlling at least one of said first and second concentrations. The composition of the invention provides a controllable pre-tilt angle of the liquid crystals which is continuously controllable for all concentrations of said first and second compounds, and improves the reproducibility of alignment layer manufacture.

Abstract translation: 本发明涉及一种在液晶显示装置中配置在约束基片和液晶体材料之间的表面指向对准层中使用的组合物，所述表面导向器取向层使包含在所述液晶体材料中的液晶分子 在没有施加的电场的情况下，相对于所述表面 - 导向器取向层形成期望的预倾斜角，所述组合物是均匀的混合物，其包含：第一浓度的第一化合物，当单独用于所述表面 - 导向器对准层，不同于所述预期倾斜角的第一预倾角T1; 和第二化合物的第二浓度，当仅在所述表面导向器取向层中单独使用时，具有不同于所述预期倾斜角和所述第一预倾角的第二预倾角T2; 由此可以通过控制所述第一和第二浓度中的至少一个来控​​制所述期望的预倾角。 本发明的组合物提供对所有浓度的所述第一和第二化合物可连续控制的液晶的可控预倾角，并提高了对准层制造的再现性。

公开(公告)号：WO2005121883A1

公开(公告)日：2005-12-22

申请号：PCT/EP2005/006145

申请日：2005-06-08

Applicant: ECSIBEO PPF1 AB ,  HELGEE, Bertil ,  KOMITOV, Lachezar

Inventor： HELGEE, Bertil ,  KOMITOV, Lachezar

IPC: G02F1/1347

CPC classification number: G02F1/133711 ,  G02F1/13471 ,  G02F1/141 ,  G02F2001/133726 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1036

Abstract: The invention relates to a liquid crystal device comprising a liquid crystal bulk layer and a dynamic surface-director alignment layer, wherein the liquid crystal bulk layer comprises a liquid crystalline material possessing a phase sequence consisting of isotropic phase, nematic phase and optionally crystalline phase (s), and the surface-director alignment layer comprises a chiral smectic liquid crystalline polysiloxane. The invention also relates to a method for its manufacturing.

Abstract translation: 本发明涉及一种液晶显示装置，它包括一个液晶本体层和一个动态表面 - 导向器取向层，其中液晶主体层包括具有由各向同性相，向列相和可选结晶相组成的相序的液晶材料 s），并且表面 - 导向剂取向层包含手性近晶液晶聚硅氧烷。 本发明还涉及其制造方法。

公开(公告)号：WO2005072460A2

公开(公告)日：2005-08-11

申请号：PCT/US2005/003410

申请日：2005-01-28

Applicant: KENT STATE UNIVERSITY ,  ECSIBEO AB ,  KOMITOV, Lachezar ,  CHIEN, Liang-Chy ,  KIM, Sang, Hwa

Inventor： KOMITOV, Lachezar ,  CHIEN, Liang-Chy ,  KIM, Sang, Hwa

IPC: G02F1/1333 ,  G02F1/137

CPC classification number: G02F1/13718 ,  G02F2001/13775

Abstract: An electro-optic device includes a liquid crystal cell (10, 10') and at least one electrode (40, 42, 40', 42') arranged to selectively electrically bias the liquid crystal cell (10, 10'). A chiral or cholesteric liquid crystal (30, 30') is disposed in the liquid crystal cell (10,10'). The liquid crystal (10,10') has an optic axis substantially along a selected optic axis direction in the absence of an electrical bias. A polymeric network (32, 32', 72) is disposed at an inside surface of the liquid crystal cell (10, 10'). The polymeric network (32, 32', 72) extends partway into the liquid crystal cell (10, 10') leaving at least a portion of the liquid crystal cell (10, 10') substantially free of the polymeric network (32, 32', 72).

Abstract translation: 电光器件包括液晶单元（10,10'）和至少一个电极（40,42,40'，42'），其布置成选择性地电偏置液晶单元（10,10'）。 在液晶单元（10,10'）中设置手性或胆甾型液晶（30,30'）。 在没有电偏压的情况下，液晶（10,10'）具有基本沿着所选择的光轴方向的光轴。 聚合物网络（32,32'，72）设置在液晶单元（10,10'）的内表面。 聚合物网络（32,32'，72）在中途延伸到液晶单元（10,10'）中，使至少一部分液晶单元（10,10'）基本上不含聚合物网络（32,32） '，72）。

公开(公告)号：WO2006042737A1

公开(公告)日：2006-04-27

申请号：PCT/EP2005/011187

申请日：2005-10-18

Applicant: ECSIBEO AB ,  KOZACHENKO, Andriy ,  KOMITOV, Lachezar

Inventor： KOZACHENKO, Andriy ,  KOMITOV, Lachezar

IPC: G02F1/137 ,  G02F1/1333 ,  G02F1/1343

CPC classification number: G02F1/13718 ,  G02F1/133345 ,  G02F1/134327 ,  Y10T428/1036

Abstract: A liquid crystal device is disclosed, having one or several display segments, and comprising: a first display substrate, a second display substrate, a layer of liquid crystal material disposed between said first and second substrate; and layer of conductive material disposed on said substrates. The conductive layers form electrodes for applying an electric field across the liquid crystal for switching the liquid crystal material between a first optical state and a second optical state different from said first optical state. Image features of the display are further defined by the inclusion of a layer of patterned non-conductive or passive dielectric material on at least one of the substrates, said patterned material forming a mask defining image elements of the display segments.

Abstract translation: 公开了具有一个或多个显示段的液晶装置，包括：第一显示基板，第二显示基板，设置在所述第一和第二基板之间的液晶材料层; 和设置在所述基板上的导电材料层。 导电层形成用于在液晶之间施加电场的电极，用于在不同于所述第一光学状态的第一光学状态和第二光学状态之间切换液晶材料。 显示器的图像特征进一步通过在至少一个基底上包括图案化的非导电或无源介电材料层来限定，所述图案化材料形成限定显示段的图像元素的掩模。

公开(公告)号：WO2009156483A1

公开(公告)日：2009-12-30

申请号：PCT/EP2009/057996

申请日：2009-06-25

Applicant: KOMITOV, Lachezar ,  KOMITOV, Lachezar ,  GALLI, Giancarlo ,  CHIELLINI, Emo ,  MORELLI, Andrea

Inventor： KOMITOV, Lachezar ,  KOMITOV, Lachezar ,  GALLI, Giancarlo ,  CHIELLINI, Emo ,  MORELLI, Andrea

IPC: G02F1/1337 ,  C08F220/24 ,  C08F230/08

CPC classification number: G02F1/133711 ,  C08F290/068 ,  C08G77/20 ,  G02F1/133719 ,  G02F1/133723 ,  G02F2001/133742 ,  Y10T428/1014 ,  C08F220/24

Abstract: A polymer for use in an alignment layer for a liquid crystal material is provided. The polymer comprises a polymer backbone comprising a plurality of repeating units, said repeating units being divided into at least two groups, wherein each repeating unit in a first group of said repeating units is functionalized with a pendant sidechain of a first type S 1 ; each repeating unit in a second group of said repeating units is functionalized with a pendant sidechain of a second type S 2 ; said first type of sidechain S 1 comprising a fluorine substituted hydrocarbon group; and said second type of sidechain S 2 comprising a siloxane. The polymer of the invention promotes homeotropic alignment of liquid crystal materials.

Abstract translation: 提供了一种用于液晶材料取向层的聚合物。 所述聚合物包括包含多个重复单元的聚合物主链，所述重复单元被分成至少两个基团，其中第一组所述重复单元中的每个重复单元用第一类型S1的侧链侧链官能化; 所述重复单元的第二组中的每个重复单元用第二类型S2的侧链侧链官能化; 所述第一类型的侧链S1包含氟取代的烃基; 并且所述第二类型的侧链S2包含硅氧烷。 本发明的聚合物促进液晶材料的垂直取向。

公开(公告)号：WO2008104533A1

公开(公告)日：2008-09-04

申请号：PCT/EP2008/052299

申请日：2008-02-26

Applicant: KOMITOV, Lachezar

Inventor： KOMITOV, Lachezar

IPC: G02F1/1337 ,  G02F1/139 ,  G02F1/1333 ,  G02F1/1343

CPC classification number: G02F1/1337 ,  G02F1/133707 ,  G02F1/134363 ,  G02F1/1393 ,  G02F2001/133726 ,  G02F2001/133757 ,  G02F2001/133769 ,  G02F2001/134372

Abstract: The present invention relates to a liquid crystal device driven by a linear coupling, such as ferroelectric and/or flexoelectric coupling, between an inhomogeneous in-plane electric field generated by an electrode pattern (41; 42) over a first sub-volume of the bulk layer (44) adjacent to said electrode pattern (41; 42) and liquid crystals in a polarized state comprised in said first sub-volume and/or in an alignment layer (43) applied on said electrode pattern (41; 42), said polarization being stronger than any possible similar liquid crystal polarization of the bulk layer (44) outside (i) said first sub-volume, said alignment layer (43), and outside (ii) a second sub-volume of the bulk layer adjacent the inner surface of the other substrate, or a second alignment layer or an second electrode pattern applied thereon.

Abstract translation: 本发明涉及一种由诸如铁电和/或柔性电耦合之间的线性耦合驱动的液晶装置之间的电极图案（41; 42）产生的不均匀的平面内电场， 邻近所述电极图案（41; 42）的体积层（44）和包含在所述第一子体积中的/或位于所述电极图案（41; 42）上的取向层（43）中的极化状态的液晶， 所述偏振比在所述第一子体积，所述取向层（43）外部和（ii）相邻的所述本体层的第二子体积的外部（i）所述本体层（44）的任何可能的类似的液晶极化强 另一基板的内表面，或其上施加的第二取向层或第二电极图案。